Anyone new to the study of weather or storms may benefit checking out glossary terms and definitions in order to understand terminology. Be carefully to distinguish between the Northern Hemisphere and Southern Hemsiphere situations as they can be mirror images of each other for instance.
Southern Hemisphere Weather Glossary from Weatherzone in Australia
Skywarn Spotter Glossary from Skywarn in the United States
Less Complicated Terms in Meteorology and the study of storms.